单句辨错。
【小题1】Jimmy’s parents are teachers.Both of them teach Chinese.They both teach French. _______
A            B         C          D
【小题2】A:Have you ever made dumplings ?    B: Yes, I am.  _____________
A           B                  C     D
【小题3】Jim knows the city very well because he has beento there before. _____________
A               B              C   D
【小题4】This is hard for me to find a good job in this city.  ._____________
A     B        C         D